X-Spam-Check-By: sourceware.org
Message-ID: <4419CCCD.EF1204C7@dessent.net>
Date: Thu, 16 Mar 2006 12:38:37 -0800
From: Brian Dessent <brian AT dessent DOT net>
MIME-Version: 1.0
To: cygwin list <cygwin AT cygwin DOT com>
Subject: Re: Bug in dlopen() (or following) code in Cygwin1.dll v 1.5.19-4
References: <031620061941 DOT 903 DOT 4419BF5E000BEFE80000038722007456720A050E040D0C079D0A AT comcast DOT net> <4419CB81 DOT 8090200 AT huarp DOT harvard DOT edu>
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-IsSubscribed: yes
Reply-To: cygwin AT cygwin DOT com
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

Norton Allen wrote:

> > So maybe it looks weird.  C++ is like that!
> 
> I would argue that this isn't a feature of C++ in that it cannot be
> implemented within the language but must use assembler for a
> specific architecture, but I agree that the paradigm of not needing
> to check every case is very cool.

It uses the automatic destructor mechanism of C++ to cleanly remove the
SEH fault handler whenever the variable goes out of scope.  So in a
sense that is C++ magic, but the actual fault-trapping capability is
provided by SEH which is a service provided by windows and is
language-agnostic.

Brian

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/